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In the picture, a white-tailed deer. (Photo by: Arterra / UIG via Getty Images)
What does a cow, a deer and a hunter have in common? The answer in parts of Michigan can be Mycobacterium bovis, the bacteria that causes bovine tuberculosis, if the hunters are not careful.
As Fiona Kelleher reported for the Detroit Free Press, tests recently uncovered a case of bovine tuberculosis in a large herd of cattle in Alcona County, Michigan, the 73rd cattle herd in Michigan to be identified since 1998. Michigan officials also detected tuberculosis in white-tailed deer in the northeastern freedom of the lower peninsula of the state. So, bovine or nontuberculous TB, that's the question for deer hunters in Michigan because Mycobacterium bovis has the potential to be passed from cattle to deer to humans.
M. bovis is very closely related to Mycobacterium tuberculosis, the bacterium that most often causes human tuberculosis. In reality, M. bovis can cause the same type of symptoms and problems in humans, being the cause of less than 230 cases of human tuberculosis each year (or less than 2% of all cases of human TB) in the States. United States, according to the Centers for Disease Control and Prevention (CDC). M bovis can be as dangerous as Tuberculous tuberculosis, and you certainly do not want your M TB. Tuberculosis can be a very serious disease that most often infects the lungs but can also affect your heart, liver, kidneys, spine, joints and brain. Fever, night sweats and weight loss are common symptoms. Tuberculosis can be fatal if you do not receive appropriate treatment as soon as possible.
Here's a video from the Canadian Food Inspection Agency on M. bovis infections:
Fortunately, routine pasteurization of cow's milk has greatly reduced the greatest source of M. bovis infections, drink milk from an infected cow. But if you feel that life is too safe and you still want to catch M. bovis from an infected cow, you can still drink raw milk.
You could also theoretically catch M. bovis when you breathe in bacteria that cough or sneeze from an infected animal, such as a cow, bison, elk or deer, cough or sneeze. After all, these animals are not very good at covering their mouths when they cough or sneeze. However, unless you spend time with the animals or share a narghile with them, this does not seem to be a very common mode of transmission.
Once infected, humans can pass M. bovis to other humans just as they can pass M. tuberculosis.
The main concern regarding the occurrence of bovine tuberculosis in Michigan is how it will affect the cattle and deer populations and whether it can spread to anyone handling raw or undercooked meat of animals infected. TThe Michigan Department of Natural Resources warns hunters to look for signs of infection such as weight loss, swollen lymph nodes, unusual lesions or abnormalities of the lungs. However, infected animals may look normal and deer or cows will not usually tell you when they have night sweats or a positive skin test for TB. Therefore, if you go hunting, assume that all deer could be infected. Wash your hands thoroughly after handling deer meat. Make sure you cook the meat you eat. This is not the time to try sushi or tartar deer.
If you are a farmer or you are keeping cattle around your apartment or home, the US Department of Agriculture (USDA) Phytosanitary Inspection Service recommends that you have your livestock tested for farming. tuberculosis and to buy only animals from an approved establishment. Flock without tuberculosis. Test the animals for TB before buying them. After the purchase, isolate the animals for 60 days and test them again before allowing them to mix with the rest of your herd. Thoroughly disinfect any equipment that has housed new or unknown animals and protect your flock from contact with unknown, untested pets or people who may come into contact with these animals. This involves making sure your fences are in good condition and canceling these Deer-Cow Meetups.
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In the picture, a white-tailed deer. (Photo by: Arterra / UIG via Getty Images)
What does a cow, a deer and a hunter have in common? The answer in parts of Michigan can be Mycobacterium bovis, the bacteria that causes bovine tuberculosis, if the hunters are not careful.
As Fiona Kelleher reported for the Detroit Free Press, tests recently uncovered a case of bovine tuberculosis in a large herd of cattle in Alcona County, Michigan, the 73rd cattle herd in Michigan to be identified since 1998. Michigan officials also detected tuberculosis in white-tailed deer in the northeastern freedom of the lower peninsula of the state. So, bovine or nontuberculous TB, that's the question for deer hunters in Michigan because Mycobacterium bovis has the potential to be passed from cattle to deer to humans.
M. bovis is very closely related to Mycobacterium tuberculosis, the bacterium that most often causes human tuberculosis. In reality, M. bovis can cause the same type of symptoms and problems in humans, being the cause of less than 230 cases of human tuberculosis each year (or less than 2% of all cases of human TB) in the States. United States, according to the Centers for Disease Control and Prevention (CDC). M bovis can be as dangerous as Tuberculous tuberculosis, and you certainly do not want your M TB. Tuberculosis can be a very serious disease that most often infects the lungs but can also affect your heart, liver, kidneys, spine, joints and brain. Fever, night sweats and weight loss are common symptoms. Tuberculosis can be fatal if you do not receive appropriate treatment as soon as possible.
Here's a video from the Canadian Food Inspection Agency on M. bovis infections:
Fortunately, routine pasteurization of cow's milk has greatly reduced the greatest source of M. bovis infections, drink milk from an infected cow. But if you feel that life is too safe and you still want to catch M. bovis from an infected cow, you can still drink raw milk.
You could also theoretically catch M. bovis when you breathe in bacteria that cough or sneeze from an infected animal, such as a cow, bison, elk or deer, cough or sneeze. After all, these animals are not very good at covering their mouths when they cough or sneeze. However, unless you spend time with the animals or share a narghile with them, this does not seem to be a very common mode of transmission.
Once infected, humans can pass M. bovis to other humans just as they can pass M. tuberculosis.
The main concern regarding the occurrence of bovine tuberculosis in Michigan is how it will affect the cattle and deer populations and whether it can spread to anyone handling raw or undercooked meat of animals infected. TThe Michigan Department of Natural Resources warns hunters to look for signs of infection such as weight loss, swollen lymph nodes, unusual lesions or abnormalities of the lungs. However, infected animals may look normal and deer or cows will not usually tell you when they have night sweats or a positive skin test for TB. Therefore, if you go hunting, assume that all deer could be infected. Wash your hands thoroughly after handling deer meat. Make sure you cook the meat you eat. This is not the time to try sushi or tartar deer.
If you are a farmer or you are keeping cattle around your apartment or home, the US Department of Agriculture (USDA) Phytosanitary Inspection Service recommends that you have your livestock tested for farming. tuberculosis and to buy only animals from an approved establishment Herd without tuberculosis. Test the animals for TB before buying them. After the purchase, isolate the animals for 60 days and test them again before allowing them to mix with the rest of your herd. Thoroughly disinfect any equipment that has housed new or unknown animals and protect your flock from contact with unknown, untested pets or people who may come into contact with these animals. This involves making sure your fences are in good condition and canceling these Deer-Cow Meetups.
